Henry David Thoreau was a great nature writer and thinker, and if he were still alive, he’d celebrate his two hundredth birthday on July 12th. Thoreau was not widely read in his lifetime, yet his book “Walden” has become an American classic, and his essay “Civil Disobedience” inspired...

KIMMELL: Well, first of all, I want to take issue with this idea of industry scientists and academic scientists. The criteria for picking advisory scientists should be their scientific excellence: How well they know this field, what their contributions have been to it, what their abil...

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DYKSTRA: Well, you know, we talk a lot about Teddy Roosevelt as one of the greatest conservationist Presidents, but a 110 years ago this week, TR made what many environmental advocates consider his biggest blunder, sealing the fate of the Owens Valley in California by shipping its wat...

So, what we're left here is really kind of a boutique shipping industry. The boats, while huge on a human scale, are not are very big on the grand scale of today's modern fleet. Maybe five percent of the world's cargo carrying capacity can fit in the locks. And so what happened was, t...

BALCOMB: Well, I first saw Granny in 1976 on April 16. The pod was spread out coming into Puget Sound through Admiralty Inlet. I had previously seen K and L pods out in the Strait of Juan de Fuca, and I called up Dr. Bigg and excitedly told him, "Hey, we found a new group of whales." ...

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MANN: Well, and that's another very important point because that is...that's the number that scientists have sort of settled on as when we enter into the "red zone", that is the worst impacts of climate change. But if you talk to ranchers in Texas or Oklahoma who have suffered through...

PEKINS: You can hope the weather changes. [LAUGHS.] Some people, I think, have strong beliefs that climate change is not real, and so the argument for that would be that, by having as many animals left on the landscape, that that larger population would be there to respond when winter...

BECKER: The process that they're objecting to is a side agreement to the main agreement that they signed in 2012. The auto companies insisted on a reopener provision, a midterm review to reevaluate whether the standards were properly set in 2012. The government just finished that reev...